Overview
The PT78ST105ST is a 1.5 Amp Positive Step-Down Integrated Switching Regulator produced by Texas Instruments. Although this component is currently obsolete and no longer manufactured, it remains relevant for legacy systems and maintenance purposes. The regulator is designed to provide a stable output voltage with high efficiency and is suitable for various power supply applications.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage | 5V (laser trimmed to industry standard voltages) |
| Maximum Output Current | 1.5 Amps |
| Input Voltage Range | Wide input range (specific values not specified in available sources, but typical for step-down regulators) |
| Regulator Type | Positive Step-Down Integrated Switching Regulator |
| Status | Obsolete and no longer manufactured |
Key Features
- High efficiency due to switching regulator design
- Laser-trimmed output voltage for precision
- Wide input voltage range, making it versatile for different power supply needs
- Compact design suitable for board mount applications
Applications
The PT78ST105ST is suitable for a variety of power supply applications, including but not limited to:
- Industrial control systems
- Telecommunications equipment
- Medical devices
- Automotive systems
Q & A
- What is the output voltage of the PT78ST105ST? The output voltage is 5V, laser trimmed to industry standard voltages.
- What is the maximum output current of the PT78ST105ST? The maximum output current is 1.5 Amps.
- Is the PT78ST105ST still in production? No, the PT78ST105ST is obsolete and no longer manufactured.
- What type of regulator is the PT78ST105ST? It is a Positive Step-Down Integrated Switching Regulator.
- What are some common applications for the PT78ST105ST? It is used in industrial control systems, telecommunications equipment, medical devices, and automotive systems.
- Why is the PT78ST105ST considered efficient? It is considered efficient due to its switching regulator design.
- Can the PT78ST105ST be used in board mount applications? Yes, it is suitable for board mount applications.
- What is the input voltage range for the PT78ST105ST? The specific input voltage range is not detailed in available sources, but it is designed for a wide input range typical for step-down regulators.
- Where can I find substitutes for the PT78ST105ST? Substitutes can be found through suppliers like Digi-Key and Mouser Electronics.
- Is the PT78ST105ST available from original stock? Yes, original stock is available from suppliers like Ovaga Technologies.
